ua-tracer by Paul Kinlan

trace H3k3q39C

ua-tracer

what does a user agent actually fetch, follow & run?

← all traces

Trace H3k3q39C

First seen: 2026-07-13 15:49:45.287 UTC
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
Bot verification: Not a known bot (no IP-range check applies).

What this user agent did

Directly-referenced assets:

✓ fetched CSS ✓ fetched JS ✓ fetched image ✓ fetched font (HTML)

Document-level link hints:

✓ fetched favicon ✓ fetched apple-touch-icon ✗ fetched web manifest ✓ fetched preload ✗ fetched prefetch

Second-level follows (proves it parsed the linking file):

✓ followed CSS background-image ✓ followed CSS @font-face ✗ followed manifest icon ✓ followed CSS @import

Frames (does it descend into iframes?):

✓ fetched iframe document ✓ descended into iframe (loaded inner image)

Reporting (a report-only CSP is violated by inline styles; reports can arrive via HTTP headers with no JS, or via in-page beacons):

✓ sent a CSP/Reporting report (any path) ✗ delivered via report-uri/Report-To header (no JS) ✓ delivered via in-page beacon (securitypolicyviolation / ReportingObserver)

Social embed (Open Graph / Twitter card images):

✗ fetched og:image ✗ fetched twitter:image

JavaScript execution:

✓ EXECUTED classic JS ✓ EXECUTED ES module ✓ posted client timing

Server-side request waterfall

Every request the server received for this trace, in receive order. +ms is the delta from the homepage request.

ReceivedΔKindMethodUser-Agent
2026-07-13 15:49:45.287 UTC +0 ms homepage GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (20) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=0, i",
  "referer": "https://webweekly.email/",
  "sec-fetch-dest": "document",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "cross-site",
  "sec-fetch-user": "?1",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-3c4f2958a3180a806b44ee61ee04cc2a-5cc78a557a47a1bd-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-3c4f2958a3180a806b44ee61ee04cc2a-d8a02829051397a2-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:46.551 UTC +1264 ms CSS GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (19) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=2",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-5482087588aa1aad03d51129328cda2c-b3d58185c91b8632-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-5482087588aa1aad03d51129328cda2c-e937076085877579-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:46.554 UTC +1267 ms font (HTML) GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (19) 
{
  "accept": "application/font-woff2;q=1.0,application/font-woff;q=0.9,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=2",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "font",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-099d31fa2934e46ebb9f8ad9fc1d02e8-9c9f4c6085b6183c-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-099d31fa2934e46ebb9f8ad9fc1d02e8-b1a51b42c6095c77-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:46.563 UTC +1276 ms preload (image) GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (19) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=5, i",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-6e45c646aa93769df64d44f75af16d0d-ce885bb42cb1f578-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-6e45c646aa93769df64d44f75af16d0d-53058003c5931fb9-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:46.589 UTC +1302 ms ES module GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (18) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-9abc27391dcdd55ef9b02ee043aa436b-acd0ad997e918e83-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-9abc27391dcdd55ef9b02ee043aa436b-ad65c03875edd40f-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:46.598 UTC +1311 ms JS GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (18) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "script",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-da5853b291207c49aa37ab7e4d489e04-d2e834392e6a6410-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-da5853b291207c49aa37ab7e4d489e04-71e10388954f959f-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:46.606 UTC +1319 ms image GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (19) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=5, i",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-024f1023efa3dea2af295673cf26e3b3-9d23b9e7eda25c53-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-024f1023efa3dea2af295673cf26e3b3-1541917eaf0d815e-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:46.656 UTC +1369 ms iframe document GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (20) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=4",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "iframe",
  "sec-fetch-mode": "navigate",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-8e0d090ecbe987bff731bdbf050155ea-848a821c68d9a7d0-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-8e0d090ecbe987bff731bdbf050155ea-dc016a0f20733341-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:46.939 UTC +1652 ms CSS @import (nested stylesheet) GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (19) 
{
  "accept": "text/css,*/*;q=0.1",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=2",
  "referer": "https://uatracer.com/r/H3k3q39C/rtDm8MGj/style.css",
  "sec-fetch-dest": "style",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-33273b2976447084c204b69baf4d5b88-e93a1af1e7dba84c-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-33273b2976447084c204b69baf4d5b88-9bbb90d11c2b6e87-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:47.358 UTC +2071 ms CSS background-image GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (19) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=4, i",
  "referer": "https://uatracer.com/r/H3k3q39C/rtDm8MGj/style.css",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-b3c0cf6615bc75ee6bdf0fa1f1a21823-5fc1b70f766f028a-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-b3c0cf6615bc75ee6bdf0fa1f1a21823-4be5002ebf2364a8-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:47.624 UTC +2337 ms CSS @font-face GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (18) 
{
  "accept": "application/font-woff2;q=1.0,application/font-woff;q=0.9,*/*;q=0.8",
  "accept-encoding": "identity",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "referer": "https://uatracer.com/r/H3k3q39C/rtDm8MGj/style.css",
  "sec-fetch-dest": "font",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-001d0a772c5257aba32e31ab4f91ca44-57433b6c179e12b6-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-001d0a772c5257aba32e31ab4f91ca44-6e623694ed6c40d8-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:48.651 UTC +3364 ms image inside iframe GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (19) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=5, i",
  "referer": "https://uatracer.com/r/H3k3q39C/rtDm8MGj/iframe",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-00778ae36a36f3dfa78a3d266185e0d5-c46a615040eadf45-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-00778ae36a36f3dfa78a3d266185e0d5-2c6cd8bad5f9c5c4-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:48.696 UTC +3409 ms JS executed beacon GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (19) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=5, i",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-92d4ee78af8a8ca1adc6d7516f30289e-7c6904f9cd57b5e1-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-92d4ee78af8a8ca1adc6d7516f30289e-688e12807d61d692-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:48.698 UTC +3411 ms CSP violation report (POST) POST Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (23) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "content-length": "362",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=6",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-7609be471e35312a3b6a56d7720f0881-891ef627fec90895-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-7609be471e35312a3b6a56d7720f0881-e6cef34ced642820-01",
  "x-deno-userspace-tracestate": "",
  "x-report-body": "{\"source\":\"securitypolicyviolation\",\"violatedDirective\":\"style-src-attr\",\"effectiveDirective\":\"style-src-attr\",\"blockedURI\":\"inline\",\"documentURI\":\"https://uatracer.com/\",\"disposition\":\"report\",\"lineNumber\":45,\"sourceFile\":\"https://uatracer.com/r/H3k3q39C/rtDm8MGj/main.js\",\"ua\":\"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0\"}"
}
2026-07-13 15:49:48.700 UTC +3413 ms ES module executed GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (19) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=5, i",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-a9b1ca345499bccca72e02a684e6c8a7-e09274b7f2d772db-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-a9b1ca345499bccca72e02a684e6c8a7-03d8f98bada64297-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:48.899 UTC +3612 ms apple-touch-icon GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (19) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=6",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-638da4e4fe0d33b1e7f3d846454a6e1c-f0b98809598fac08-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-638da4e4fe0d33b1e7f3d846454a6e1c-363792c66a3cbe9b-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:48.902 UTC +3615 ms favicon GET Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (19) 
{
  "accept": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "priority": "u=6",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "image",
  "sec-fetch-mode": "no-cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-a3b3ed4622ce3758b0c563917e1182e3-63fcf4dd436ba425-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-a3b3ed4622ce3758b0c563917e1182e3-5d1c1ef828cc9a7e-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 15:49:51.765 UTC +6478 ms client timing POST POST Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0
request headers (22) 
{
  "accept": "*/*",
  "accept-encoding": "gzip, deflate, br, zstd",
  "accept-language": "en-US,en;q=0.9",
  "content-length": "2561",
  "content-type": "application/json",
  "cookie": "ua-tracer-trace=H3k3q39C",
  "dnt": "1",
  "host": "uatracer.com",
  "origin": "https://uatracer.com",
  "priority": "u=6",
  "referer": "https://uatracer.com/",
  "sec-fetch-dest": "empty",
  "sec-fetch-mode": "cors",
  "sec-fetch-site": "same-origin",
  "sec-gpc": "1",
  "te": "trailers",
  "traceparent": "00-25031520fbef28e3cb2604b2c2165477-06b0fbab04c1d967-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:153.0) Gecko/20100101 Firefox/153.0",
  "via": "HTTP/2 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-25031520fbef28e3cb2604b2c2165477-4a703bc67c0dd2f6-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-13 20:09:46.448 UTC +15601161 ms CSP violation report (POST) GET Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1
request headers (12) 
{
  "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
  "accept-encoding": "gzip",
  "accept-language": "zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7",
  "cache-control": "no-cache",
  "connection": "keep-alive, close",
  "host": "uatracer.com",
  "pragma": "no-cache",
  "traceparent": "00-811f89017d4845ceb00f1833dfc534e1-fe5b6fe2c94f1f1e-01",
  "tracestate": "",
  "upgrade-insecure-requests": "1",
  "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-07-16 04:13:26.076 UTC +217420789 ms CSP violation report (POST) GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-fa042e2eb2d91d2faab653c9427471df-4a6b8ddea3febce0-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-fa042e2eb2d91d2faab653c9427471df-e387ed8e68ee5aa8-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-16 05:04:18.890 UTC +220473603 ms preload (image) GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-0e62ab192586634ec12bb83fab96a7ef-838c67da9af4656d-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-0e62ab192586634ec12bb83fab96a7ef-eda535b59c49e263-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-16 09:24:10.102 UTC +236064815 ms image GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-334401de75478e10a8ae212c30d9f668-2b1c1c7c79035518-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-334401de75478e10a8ae212c30d9f668-747186b5c605e4c4-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-16 10:23:26.087 UTC +239620800 ms favicon GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-eb4bc58ed45e4ccb5f564745a75ce144-cccbbc96664dfcc4-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-eb4bc58ed45e4ccb5f564745a75ce144-a61059f32524d31c-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-16 12:21:35.212 UTC +246709925 ms iframe document GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (7) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-d48d21366d228ce588bf4fda12921f05-ed37f7609ec819e7-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-07-16 14:18:58.720 UTC +253753433 ms CSS background-image GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (7) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-a3208ee14848d0202a57361f786e8e38-4cff7eb104862731-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-07-16 16:34:31.013 UTC +261885726 ms apple-touch-icon GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-99137d8a53bde4b683f42239db5ee3ff-b65a88ed583c405a-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-99137d8a53bde4b683f42239db5ee3ff-ddd814b0b586afe2-01",
  "x-deno-userspace-tracestate": ""
}
2026-07-16 18:17:31.842 UTC +268066555 ms ES module executed GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (7) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-3f5323a4e765985204f76693dc16dd83-30e7975d744410b5-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net"
}
2026-07-16 18:44:22.834 UTC +269677547 ms JS executed beacon GET Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36
request headers (9) 
{
  "accept-encoding": "gzip,deflate",
  "connection": "close",
  "host": "uatracer.com",
  "traceparent": "00-27d8f6e97b6a3a002eafc30efb0fa3d3-792935b6a1b22bd5-01",
  "tracestate": "",
  "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Amazonbot/0.1; +https://developer.amazon.com/support/amazonbot) Chrome/119.0.6045.214 Safari/537.36",
  "via": "HTTP/1.1 ord.vultr.prod.deno-cluster.net",
  "x-deno-userspace-traceparent": "00-27d8f6e97b6a3a002eafc30efb0fa3d3-e19e2e26044b0b42-01",
  "x-deno-userspace-tracestate": ""
}

Client-side resource waterfall

Reported by performance.getEntriesByType('resource') after JS ran in the UA. This proves a real browser-grade engine, not just a downloader.

ResourceInitiatorStartDurationTimeline
style.css link 1352ms 400ms
font.woff2 other 1353ms 580ms
preload.png link 1353ms 1043ms
module.js script 1403ms 1454ms
photo.png img 1403ms 1734ms
main.js script 1403ms 2081ms
apple-touch-icon.png other 1450ms 2894ms
favicon.ico other 1450ms 3411ms
iframe iframe 1453ms 1989ms
import.css css 1753ms 401ms
css-bg.png css 2170ms 420ms
css-font.woff2 other 2423ms 915ms
js-ran.gif?t=1783957789190 img 3494ms 1610ms
csp-report other 3495ms 1083ms
module-ran.gif?t=1783957789210 img 3513ms 609ms